Boston Gear Output Shaft Worm Gear Reducers

Standard 700 Series Worm Gear Speed Reducers

The standard 700 Series - the heart of Boston Gear's speed reducer product line - has been serving the industry reliably for over 40 years. Its proven modular design has set the industry standard for performance and is the most imitated product in today's worm gear speed reducer market.

Key Features

11 basic single reduction sizes
Eight basic double-reduction sizes
1/6 - 25 HP
5:1 - 100:1 ratios single reduction
100:1 - 3600:1 ratios double reduction
Non-flanged, NEMA C-face quill, and coupled input styles
Projecting and hollow output shafts
Projecting diameters from 1/2" to 2-1/4"
Hollow output bore diameters from 5/8" to 3-7/16" (with over 20 bore sizes in stock)

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Product Information

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MPN	output rpm at 1750	max input power hp	motor hp	Brand	Price
F718-60-B5-G	29.2	0.35	0.33	Boston Gear	Request a quote	F718 60 B5 G Worm Speed Reducer MPN: F718-60-B5-G Boston Gear - F718-60-B5-G - Worm Speed Reducer - F718 S/R Red. 60:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F718-50-B5-H	35	0.44	0.33	Boston Gear	Request a quote	F718 50 B5 H Worm Speed Reducer MPN: F718-50-B5-H Boston Gear - F718-50-B5-H - Worm Speed Reducer - F718 S/R Red. 50:1 Ratio, No Base, "H" Assy View product details Availability: Request a quote
F710-50-B4-J	35	0.15	0.17	Boston Gear	Request a quote	F710 50 B4 J Worm Speed Reducer MPN: F710-50-B4-J Boston Gear - F710-50-B4-J - Worm Speed Reducer - F710 S/R Red. 50:1 Ratio, No Base, "J" Assy View product details Availability: Request a quote
F710-50-B4-H	35	0.15	0.17	Boston Gear	Request a quote	F710 50 B4 H Worm Speed Reducer MPN: F710-50-B4-H Boston Gear - F710-50-B4-H - Worm Speed Reducer - F710 S/R Red. 50:1 Ratio, No Base, "H" Assy View product details Availability: Request a quote
F710-50-B4-G	35	0.15	0.17	Boston Gear	Request a quote	F710 50 B4 G Worm Speed Reducer MPN: F710-50-B4-G Boston Gear - F710-50-B4-G - Worm Speed Reducer - F710 S/R Red. 50:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F718-50-B5-G	35	0.44	0.33	Boston Gear	Request a quote	F718 50 B5 G Worm Speed Reducer MPN: F718-50-B5-G Boston Gear - F718-50-B5-G - Worm Speed Reducer - F718 S/R Red. 50:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F713-50-B5-G	35	0.25	0.25	Boston Gear	Request a quote	F713 50 B5 G Worm Speed Reducer MPN: F713-50-B5-G Boston Gear - F713-50-B5-G - Worm Speed Reducer - F713 S/R Red. 50:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F713-50-B5-H	35	0.25	0.25	Boston Gear	Request a quote	F713 50 B5 H Worm Speed Reducer MPN: F713-50-B5-H Boston Gear - F713-50-B5-H - Worm Speed Reducer - F713 S/R Red. 50:1 Ratio, No Base, "H" Assy View product details Availability: Request a quote
F713-50-B5-J	35	0.25	0.25	Boston Gear	Request a quote	F713 50 B5 J Worm Speed Reducer MPN: F713-50-B5-J Boston Gear - F713-50-B5-J - Worm Speed Reducer - F713 S/R Red. 50:1 Ratio, No Base, "J" Assy View product details Availability: Request a quote
F715-50-B5-G	35	0.35	0.33	Boston Gear	Request a quote	F715 50 B5 G Worm Speed Reducer MPN: F715-50-B5-G Boston Gear - F715-50-B5-G - Worm Speed Reducer - F715 S/R Red. 50:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F715-50-B5-H	35	0.35	0.33	Boston Gear	Request a quote	F715 50 B5 H Worm Speed Reducer MPN: F715-50-B5-H Boston Gear - F715-50-B5-H - Worm Speed Reducer - F715 S/R Red. 50:1 Ratio, No Base, "H" Assy View product details Availability: Request a quote
F715-50-B5-J	35	0.35	0.33	Boston Gear	Request a quote	F715 50 B5 J Worm Speed Reducer MPN: F715-50-B5-J Boston Gear - F715-50-B5-J - Worm Speed Reducer - F715 S/R Red. 50:1 Ratio, No Base, "J" Assy View product details Availability: Request a quote
F718-50-B5-J	35	0.44	0.33	Boston Gear	Request a quote	F718 50 B5 J Worm Speed Reducer MPN: F718-50-B5-J Boston Gear - F718-50-B5-J - Worm Speed Reducer - F718 S/R Red. 50:1 Ratio, No Base, "J" Assy View product details Availability: Request a quote
F718-40-B5-G	43.8	0.57	0.5	Boston Gear	Request a quote	F718 40 B5 G Worm Speed Reducer MPN: F718-40-B5-G Boston Gear - F718-40-B5-G - Worm Speed Reducer - F718 S/R Red. 40:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F718-40-B5-H	43.8	0.57	0.5	Boston Gear	Request a quote	F718 40 B5 H Worm Speed Reducer MPN: F718-40-B5-H Boston Gear - F718-40-B5-H - Worm Speed Reducer - F718 S/R Red. 40:1 Ratio, No Base, "H" Assy View product details Availability: Request a quote
F715-40-B5-G	43.8	0.43	0.33	Boston Gear	Request a quote	F715 40 B5 G Worm Speed Reducer MPN: F715-40-B5-G Boston Gear - F715-40-B5-G - Worm Speed Reducer - F715 S/R Red. 40:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F715-40-B5-H	43.8	0.43	0.33	Boston Gear	Request a quote	F715 40 B5 H Worm Speed Reducer MPN: F715-40-B5-H Boston Gear - F715-40-B5-H - Worm Speed Reducer - F715 S/R Red. 40:1 Ratio, No Base, "H" Assy View product details Availability: Request a quote
F715-40-B5-J	43.8	0.43	0.33	Boston Gear	Request a quote	F715 40 B5 J Worm Speed Reducer MPN: F715-40-B5-J Boston Gear - F715-40-B5-J - Worm Speed Reducer - F715 S/R Red. 40:1 Ratio, No Base, "J" Assy View product details Availability: Request a quote
F713-40-B5-H	43.8	0.31	0.25	Boston Gear	Request a quote	F713 40 B5 H Worm Speed Reducer MPN: F713-40-B5-H Boston Gear - F713-40-B5-H - Worm Speed Reducer - F713 S/R Red. 40:1 Ratio, No Base, "H" Assy View product details Availability: Request a quote
F713-40-B5-G	43.8	0.31	0.25	Boston Gear	Request a quote	F713 40 B5 G Worm Speed Reducer MPN: F713-40-B5-G Boston Gear - F713-40-B5-G - Worm Speed Reducer - F713 S/R Red. 40:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F718-40-B5-J	43.8	0.57	0.5	Boston Gear	Request a quote	F718 40 B5 J Worm Speed Reducer MPN: F718-40-B5-J Boston Gear - F718-40-B5-J - Worm Speed Reducer - F718 S/R Red. 40:1 Ratio, No Base, "J" Assy View product details Availability: Request a quote
F713-40-B5-J	43.8	0.31	0.25	Boston Gear	Request a quote	F713 40 B5 J Worm Speed Reducer MPN: F713-40-B5-J Boston Gear - F713-40-B5-J - Worm Speed Reducer - F713 S/R Red. 40:1 Ratio, No Base, "J" Assy View product details Availability: Request a quote
F710-40-B4-H	43.8	0.17	0.17	Boston Gear	Request a quote	F710 40 B4 H Worm Speed Reducer MPN: F710-40-B4-H Boston Gear - F710-40-B4-H - Worm Speed Reducer - F710 S/R Red. 40:1 Ratio, No Base, "H" Assy View product details Availability: Request a quote
F710-40-B4-J	43.8	0.17	0.17	Boston Gear	Request a quote	F710 40 B4 J Worm Speed Reducer MPN: F710-40-B4-J Boston Gear - F710-40-B4-J - Worm Speed Reducer - F710 S/R Red. 40:1 Ratio, No Base, "J" Assy View product details Availability: Request a quote
F710-40-B4-G	43.8	0.17	0.17	Boston Gear	Request a quote	F710 40 B4 G Worm Speed Reducer MPN: F710-40-B4-G Boston Gear - F710-40-B4-G - Worm Speed Reducer - F710 S/R Red. 40:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F715-30-B5-G	58.3	0.54	0.5	Boston Gear	Request a quote	F715 30 B5 G Worm Speed Reducer MPN: F715-30-B5-G Boston Gear - F715-30-B5-G - Worm Speed Reducer - F715 S/R Red. 30:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F715-30-B5-H	58.3	0.54	0.5	Boston Gear	Request a quote	F715 30 B5 H Worm Speed Reducer MPN: F715-30-B5-H Boston Gear - F715-30-B5-H - Worm Speed Reducer - F715 S/R Red. 30:1 Ratio, No Base, "H" Assy View product details Availability: Request a quote
F715-30-B5-J	58.3	0.54	0.5	Boston Gear	Request a quote	F715 30 B5 J Worm Speed Reducer MPN: F715-30-B5-J Boston Gear - F715-30-B5-J - Worm Speed Reducer - F715 S/R Red. 30:1 Ratio, No Base, "J" Assy View product details Availability: Request a quote
F718-30-B5-G	58.3	0.65	0.5	Boston Gear	Request a quote	F718 30 B5 G Worm Speed Reducer MPN: F718-30-B5-G Boston Gear - F718-30-B5-G - Worm Speed Reducer - F718 S/R Red. 30:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F718-30-B5-H	58.3	0.65	0.5	Boston Gear	Request a quote	F718 30 B5 H Worm Speed Reducer MPN: F718-30-B5-H Boston Gear - F718-30-B5-H - Worm Speed Reducer - F718 S/R Red. 30:1 Ratio, No Base, "H" Assy View product details Availability: Request a quote
F718-30-B5-J	58.3	0.65	0.5	Boston Gear	Request a quote	F718 30 B5 J Worm Speed Reducer MPN: F718-30-B5-J Boston Gear - F718-30-B5-J - Worm Speed Reducer - F718 S/R Red. 30:1 Ratio, No Base, "J" Assy View product details Availability: Request a quote
F710-30-B4-G	58.3	0.2	0.17	Boston Gear	Request a quote	F710 30 B4 G Worm Speed Reducer MPN: F710-30-B4-G Boston Gear - F710-30-B4-G - Worm Speed Reducer - F710 S/R Red. 30:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F713-30-B5-J	58.3	0.39	0.33	Boston Gear	Request a quote	F713 30 B5 J Worm Speed Reducer MPN: F713-30-B5-J Boston Gear - F713-30-B5-J - Worm Speed Reducer - F713 S/R Red. 30:1 Ratio, No Base, "J" Assy View product details Availability: Request a quote
F713-30-B5-H	58.3	0.39	0.33	Boston Gear	Request a quote	F713 30 B5 H Worm Speed Reducer MPN: F713-30-B5-H Boston Gear - F713-30-B5-H - Worm Speed Reducer - F713 S/R Red. 30:1 Ratio, No Base, "H" Assy View product details Availability: Request a quote
F713-30-B5-G	58.3	0.39	0.33	Boston Gear	Request a quote	F713 30 B5 G Worm Speed Reducer MPN: F713-30-B5-G Boston Gear - F713-30-B5-G - Worm Speed Reducer - F713 S/R Red. 30:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F710-30-B4-J	59.3	0.2	0.17	Boston Gear	Request a quote	F710 30 B4 J Worm Speed Reducer MPN: F710-30-B4-J Boston Gear - F710-30-B4-J - Worm Speed Reducer - F710 S/R Red. 30:1 Ratio, No Base, "J" Assy View product details Availability: Request a quote
F710-30-B4-H	59.3	0.2	0.17	Boston Gear	Request a quote	F710 30 B4 H Worm Speed Reducer MPN: F710-30-B4-H Boston Gear - F710-30-B4-H - Worm Speed Reducer - F710 S/R Red. 30:1 Ratio, No Base, "H" Assy View product details Availability: Request a quote
F713-25-B5-H	70	0.43	0.33	Boston Gear	Request a quote	F713 25 B5 H Worm Speed Reducer MPN: F713-25-B5-H Boston Gear - F713-25-B5-H - Worm Speed Reducer - F713 S/R Red. 25:1 Ratio, No Base, "H" Assy View product details Availability: Request a quote
F713-25-B5-G	70	0.43	0.33	Boston Gear	Request a quote	F713 25 B5 G Worm Speed Reducer MPN: F713-25-B5-G Boston Gear - F713-25-B5-G - Worm Speed Reducer - F713 S/R Red. 25:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F715-25-B5-J	70	0.6	0.5	Boston Gear	Request a quote	F715 25 B5 J Worm Speed Reducer MPN: F715-25-B5-J Boston Gear - F715-25-B5-J - Worm Speed Reducer - F715 S/R Red. 25:1 Ratio, No Base, "J" Assy View product details Availability: Request a quote
F715-25-B5-H	70	0.6	0.5	Boston Gear	Request a quote	F715 25 B5 H Worm Speed Reducer MPN: F715-25-B5-H Boston Gear - F715-25-B5-H - Worm Speed Reducer - F715 S/R Red. 25:1 Ratio, No Base, "H" Assy View product details Availability: Request a quote
F718-25-B5-G	70	0.76	0.75	Boston Gear	Request a quote	F718 25 B5 G Worm Speed Reducer MPN: F718-25-B5-G Boston Gear - F718-25-B5-G - Worm Speed Reducer - F718 S/R Red. 25:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F715-25-B5-G	70	0.6	0.5	Boston Gear	Request a quote	F715 25 B5 G Worm Speed Reducer MPN: F715-25-B5-G Boston Gear - F715-25-B5-G - Worm Speed Reducer - F715 S/R Red. 25:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F718-25-B5-H	70	0.76	0.75	Boston Gear	Request a quote	F718 25 B5 H Worm Speed Reducer MPN: F718-25-B5-H Boston Gear - F718-25-B5-H - Worm Speed Reducer - F718 S/R Red. 25:1 Ratio, No Base, "H" Assy View product details Availability: Request a quote
F718-25-B5-J	70	0.76	0.75	Boston Gear	Request a quote	F718 25 B5 J Worm Speed Reducer MPN: F718-25-B5-J Boston Gear - F718-25-B5-J - Worm Speed Reducer - F718 S/R Red. 25:1 Ratio, No Base, "J" Assy View product details Availability: Request a quote
F713-25-B5-J	70	0.43	0.33	Boston Gear	Request a quote	F713 25 B5 J Worm Speed Reducer MPN: F713-25-B5-J Boston Gear - F713-25-B5-J - Worm Speed Reducer - F713 S/R Red. 25:1 Ratio, No Base, "J" Assy View product details Availability: Request a quote
F718-20-B5-G	87.5	0.97	1	Boston Gear	Request a quote	F718 20 B5 G Worm Speed Reducer MPN: F718-20-B5-G Boston Gear - F718-20-B5-G - Worm Speed Reducer - F718 S/R Red. 20:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote
F715-20-B5-J	87.5	0.72	0.75	Boston Gear	Request a quote	F715 20 B5 J Worm Speed Reducer MPN: F715-20-B5-J Boston Gear - F715-20-B5-J - Worm Speed Reducer - F715 S/R Red. 20:1 Ratio, No Base, "J" Assy View product details Availability: Request a quote
F715-20-B5-H	87.5	0.72	0.75	Boston Gear	Request a quote	F715 20 B5 H Worm Speed Reducer MPN: F715-20-B5-H Boston Gear - F715-20-B5-H - Worm Speed Reducer - F715 S/R Red. 20:1 Ratio, No Base, "H" Assy View product details Availability: Request a quote
F715-20-B5-G	87.5	0.72	0.75	Boston Gear	Request a quote	F715 20 B5 G Worm Speed Reducer MPN: F715-20-B5-G Boston Gear - F715-20-B5-G - Worm Speed Reducer - F715 S/R Red. 20:1 Ratio, No Base, "G" Assy View product details Availability: Request a quote

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Standard 700 Series Worm Gear Speed Reducers

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